<html>
<%@ page pageEncoding="UTF-8"%>
<%@ page contentType="text/html; charset=UTF-8"%>  
<body>
<h2>Hello World!</h2>
<a href = "https://gitee.com/oauth/authorize?client_id=cc66e07fd34ec4e7d2b80527a32ffd965ff388491a2e9fad2afdc2a497955a44&redirect_uri=http%3A%2F%2Flocalhost%3A8080%2Foauth%2Fredirect&response_type=code">码云登录</a>
</body>
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